It is possible that the main title of the report Marfan Syndrome is not the name you expected. Please check the synonyms listing to find the alternate name(s) and disorder subdivision(s) covered by this report.
As Jenny points out, being able to lisp the alphabet song at age two has little to do with 'knowing' the alphabet. And, yes, most children learn the letters by sight and sound in kindergarten, although most are capable of learning this information sooner if diligently taught by parents or others.
Block Print Alphabet Tracer Pages. These pages allow children to trace the letters to help with the learning process. Here are some thoughts on how to use the pages with younger children (preschool). have the child identify the letter on the page. point to which is the capital letter and which is the small letter. ask what sound the letter makes.